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## Main Question or Discussion Point

i did this problem but i just wanted some confirmation if im right.....

lim (3+h)^-1 - (3)^-1 / h

h->0

i worked it out...but still got 0....maybe some confirmation and if u could show ur work that would be nice too......thx in advance

ps my first post!!!

lim (3+h)^-1 - (3)^-1 / h

h->0

i worked it out...but still got 0....maybe some confirmation and if u could show ur work that would be nice too......thx in advance

ps my first post!!!